Memory Management Overhead

Source code: oil/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 36 3 10 12.0 17.8 476,679 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 150 24 63 46.1 51.5 1,653,267 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 9 1 1 2.6 8.5 101,870 180 2 75,090 1 37,545 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,135 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 183 0 4 10.6 8.7 995,212 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,279 478 3 85,326 1 42,663 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
23 23 0 3.0 bash -
104 62 48 3.5 zsh -
16 12 4 28.8 bumpleak/osh mut
19 11 8 29.3 _bin/cxx-opt+bumproot/osh mut
22 11 11 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 29 0 25.0 osh-native mut+alloc
32 27 4 25.4 osh-native mut+alloc+free
36 31 4 17.8 osh-native mut+alloc+free+gc
36 20 16 17.8 osh-native mut+alloc+free+gc+exit
42 31 11 32.0 _bin/cxx-opt+nopool/osh mut+alloc
45 30 15 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
21 21 0 1.6 dash -
77 77 0 3.3 bash -
378 226 172 3.8 zsh -
49 41 8 85.2 bumpleak/osh mut
61 56 4 85.0 _bin/cxx-opt+bumproot/osh mut
71 59 12 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 66 31 73.3 osh-native mut+alloc
105 66 39 75.3 osh-native mut+alloc+free
150 134 16 51.5 osh-native mut+alloc+free+gc
159 122 37 52.2 osh-native mut+alloc+free+gc+exit
139 103 36 98.7 _bin/cxx-opt+nopool/osh mut+alloc
206 178 28 73.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.4 zsh -
6 0 6 11.1 bumpleak/osh mut
7 0 7 11.9 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.7 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 9.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 10 0 1.6 dash -
29 29 0 3.0 bash -
23 14 9 3.1 zsh -
20 16 4 30.9 bumpleak/osh mut
25 25 0 31.4 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
37 22 15 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 32 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
74 70 4 3.1 bash -
166 107 59 54.9 bumpleak/osh mut
180 124 56 55.1 _bin/cxx-opt+bumproot/osh mut
191 107 83 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 133 76 47.1 osh-native mut+alloc
216 124 92 48.9 osh-native mut+alloc+free
183 119 64 8.7 osh-native mut+alloc+free+gc
181 128 52 8.7 osh-native mut+alloc+free+gc+exit
230 145 85 64.5 _bin/cxx-opt+nopool/osh mut+alloc
206 119 87 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 8 2 3.5 dash -
19 13 7 4.5 bash -
18 6 13 3.4 zsh -
20 15 5 12.2 bumpleak/osh mut
20 18 3 12.7 _bin/cxx-opt+bumproot/osh mut
22 16 6 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.9 osh-native mut+alloc
22 11 11 10.9 osh-native mut+alloc+free
22 16 7 8.8 osh-native mut+alloc+free+gc
23 13 10 9.0 osh-native mut+alloc+free+gc+exit
24 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc